---
title: "Blackout Curtain Liner — $98K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/blackout-curtain-liner"
last_updated: "2026-08-09T22:20:03.584Z"
locale: en
meta:
description: "Niche score 38/100 · $98K/yr market · 250K searches/yr · $20.81 avg price. Doesn't clear our bar today. Data updated Aug 2026."
"og:description": "Niche score 38/100 · $98K/yr market · 250K searches/yr · $20.81 avg price. Doesn't clear our bar today. Data updated Aug 2026."
"og:title": "Blackout Curtain Liner — $98K/yr Amazon US Niche (2026) - Flapen"
---
# **blackout curtain liner**
**Skip it**
A concentrated shelf (top 5 take 77% of clicks) — this niche doesn't clear our bar today.
Market size 24Growth 56Conversion 24Competition 19Returns 24Price range 93Avg price 90Brand share 28Review moat 58Quality gap 40
**Price range**
**Great****$14.49–$32.83**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****$20.81**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****1,192.27**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Good****+30.0%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****88%**
top-5 brand share — brands hold most of the demand
**Market size**
**Bad****$98K**
$98K/yr · 250K searches
**Conversion**
**Bad****1.9%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Bad****5.2%**
return rate — above 5% kills the launch gate
**Competition**
**Bad****77%**
top-5 click share — a locked-up shelf
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, blackout curtain liner is a $98K/yr Amazon United States market (250K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Jun–Jul. Verdict: Skip it — 38/100.
Data updated Aug 3, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **blackout curtain liner market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$125K–$166K**
- units × avg price
- **Conversion rate**
- **1.9%**
- **Avg BSR**
- **#269**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **93%**
- **Out of stock**
- **9.2%**
- **Avg brand age**
- **47 months**
- **Avg seller age**
- **168 days**
## **Competition & brand share**
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**10 **▼falling
**Sellers**
**12**
**Top-5 brand share**
**88%**
Top 20: 100%
**Top-5 click share**
**77%**
Top 20: 100%
**Open market**
**6%**
- Chyhomenyc30% - NICETOWN26% - KGORGE12% - Aiyufeng11% - DriftAway9% - OWENIE5% - Open — no brand owns it (4 brands, 6%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +30.0% search growth over the last 90 days.
7K5KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jun, Jul · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/blackout-curtain-liner/trend)
## **Top blackout curtain liner search terms**
- **blackout curtain liners**59K/yr+60.0%2.1% conv. - **blackout curtain liner**42K/yr+43.5%2.2% conv. - **blackout liners for behind curtains**26K/yr+29.3%1.8% conv. - **blackout liner**16K/yr+33.9%1.1% conv. - **curtain liners for window curtains**20K/yr-21.4%0.9% conv. - **blackout panels for behind curtains**12K/yr+31.9%1.5% conv. - **black out curtain liner**8K/yr+47.8%2.3% conv. - **curtain liners**12K/yr-11.5%0.6% conv. - **blackout curtain liners 84 inches long**7K/yr+18.6%4.1% conv. - **black out liners for behind curtains**6K/yr+19.1%2.4% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/blackout-curtain-liner/search-terms)
## **Top blackout curtain liner products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$10K20%$20K30%$29K40%$39K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Chyhomenyc 2 Panels 100% Blackout Curtain Liners 100% Darkening Thermal Insulated Blackout Liner for 84 Inch Curtains Each 50 Wx80 L 2 Liners Per Set with 17 Pieces Rings**Chyhomenyc**$19.39**4.6★669 rev](https://www.amazon.com/dp/B0CKC1DVNH) [2**NICETOWN White Blackout Curtain Liners for Window - Noise Reducing Light Blocking Liner for 84 inch Curtains (Set of 2 Each is 27 x 80 Hooks Included Greyish White)**NICETOWN**$16.91**4.3★4,593 rev](https://www.amazon.com/dp/B01KX0LVRC) [3**KGORGE Blackout Curtains Liners for L 84 Drapes for Bedroom Living Room**KGORGE**$19.39**4.4★2,484 rev](https://www.amazon.com/dp/B07GKQ61YB) [4**Aiyufeng 2 Panels 100% Blackout Curtain Liners for Behind Curtains Darkening Thermal Insulated Blackout Liner for 84 Inch Curtains Each 50 Wx80 L 2 Liners Per Set with 18 Pieces Rings**Aiyufeng**$19.40**4.5★291 rev](https://www.amazon.com/dp/B0D83BRSKJ) [5**NICETOWN Blackout Curtain Liners for Sheer Curtains Cold Heat Light Noise Blocking Liners with Rings: Easy to Open and Closed Thermal Liners for 84 inches Long Curtains 1 Pair 50 x 80 Per Panel**NICETOWN**$17.81**4.4★1,513 rev](https://www.amazon.com/dp/B07DRZ31TP)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**YC WINRRARII 100% Blackout Curtain Liners Additional Parts for Blackout with 18 Rings White/Black 2 Panels Set Easy Install for Bedroom Livingroom Total Thermal Curtains for Insulated 50 W x 80 L**YC WINRRARII**$18.44**20 rev1y ago](https://www.amazon.com/dp/B0FJY2D69G) [**Simplebrand 100% Blackout Curtain Liner for Bedroom Thermal Insulated Blackout Liners for 63 Inch Behind Curtains 2 Liners Per Set with 14 Pieces Rings Each 40 W x 58 L Greyish White**Simplebrand**$17.80**232 rev1y ago](https://www.amazon.com/dp/B0DMDZTF88) [**Aiyufeng 2 Panels 100% Blackout Curtain Liners for Behind Curtains Darkening Thermal Insulated Blackout Liner for 84 Inch Curtains Each 50 Wx80 L 2 Liners Per Set with 18 Pieces Rings**Aiyufeng**$19.40**291 rev1y ago](https://www.amazon.com/dp/B0D83BRSKJ) [**OWENIE 100% Blackout Curtain Liner 2 Panles Set Room Darkening Thermal Insulated Curtains Liners for 95 96 Inch Curtains Behind Block Liner (Greyish White 40W x 92L 2 Pieces)**OWENIE**$18.76**362 rev2y ago](https://www.amazon.com/dp/B0CY95BC3R) [**OWENIE 100% Blackout Curtain Liner 2 Panels Set for Bedroom Living Room Total Darkening Thermal Curtains Liner for 84 Inch Long Curtains Behind Each 40 Wx80 L Thermal Curtains for Summer Heat**OWENIE**$19.31**362 rev2y ago](https://www.amazon.com/dp/B0CY94FNXH)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**OWENIE 100% Blackout Curtain Liner 2 Panels Set for Bedroom Living Room Greyish White Black Out Curtains Liner for 63 Inch Behind Curtains Thermal Curtains for Summer Heat Liner Each 40 Wx58 L**OWENIE**$14.49**4.6★**▲ 106%**](https://www.amazon.com/dp/B0CY95B1PH) [**YC WINRRARII 100% Blackout Curtain Liners Additional Parts for Blackout with 18 Rings White/Black 2 Panels Set Easy Install for Bedroom Livingroom Total Thermal Curtains for Insulated 50 W x 80 L**YC WINRRARII**$18.44**4.7★**▲ 88%**](https://www.amazon.com/dp/B0FJY2D69G) [**NIGHTON Portable Blackout Curtains 4060 Strong Hook and Loop Tape Strips with Adhesive Cuttable Blackout Window Cover 100% Black Out Material Blinds for Baby Nursery or Travel - Black**NIGHTON**$18.57**4.3★**▲ 80%**](https://www.amazon.com/dp/B0B5Z16FCY) [**DriftAway Thermal Insulated 100 Percent Darkening Blackout Curtain Liner 2 Panels Each Liner Size 50 Inch by 80 Inch Rings Included Off White Panel**DriftAway**$32.83**4.6★**▲ 74%**](https://www.amazon.com/dp/B07DZR87DK) [**DriftAway Thermal Insulated Blackout Curtain Liner 2 Panels Each Liner Size 50 Inch by 80 Inch Rings Included**DriftAway**$31.10**4.5★**▲ 33%**](https://www.amazon.com/dp/B075FX79W3)
**~~View all trending →~~**
## **What buyers say about blackout curtain liner**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**13%
*“Easy to install”*
**Advertised Vs Actual Product**12%
*“works perfectly as described”*
**Value For Money**9%
*“Good price”*
**Quality-Overall**8%
*“Well made, washable, they work, and I bought them”*
**Ease Of Use**6%
*“Easy to use”*
**Efficiency**5%
*“Works well for intended use”*
**Material Quality**5%
*“Material very nice”*
**Sleep Quality**5%
*“This helped my toddler sleep at night due to the appearance that it has on the window”*
**Weight Light**5%
*“Bought this liner which is a good weight”*
**Size-Overall**3%
*“Great fit”*
### **What buyers complain about **
**Smell**13%
*“The smell was off gassing”*
**Heating**10%
*“the house was heating up”*
**Thickness**8%
*“not that thick”*
**Size-Overall**7%
*“These dont exactly fit as easy as the photo shows”*
**Color**7%
*“Not really black out”*
**Weight Heavy**6%
*“Theyre just a slightly heavier than usual light grey curtain”*
**Adhesion/Stickiness**6%
*“use something other than the adhesives”*
**Quality-Overall**5%
*“Poor Quality Curtain”*
**Advertised Vs Actual Product**5%
*“it came with double sided tape instead of the hook and loop Velcro as advertised.”*
**Material Quality**5%
*“Material is terrible returned”*
### **Top return reasons **
**Size-Overall**38%
**Advertised Vs Actual Product**8%
**Smell**7%
**Color**6%
**Material Quality**6%
**Thin**5%
**Functionality-Overall**4%
**Quality-Overall**4%
**Value For Money**4%
**Adhesion/Stickiness**4%
## **Common questions**
- **Is blackout curtain liner profitable to sell on Amazon United States?**
- The niche generates $98K/yr across 15 tracked products. 90-day search growth is +30.0%. Flapen's verdict: Skip it (38/100).
- **How competitive is the blackout curtain liner niche?**
- 10 brands and 12 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 88% of demand.
- **What do buyers complain about in blackout curtain liner?**
- Top complaints mined from reviews: Smell, Heating, Thickness. The return rate is 5.2% — above our launch gate.
- **When does demand for blackout curtain liner peak?**
- Demand peaks in Jun–Jul; the busiest month runs 1.7× the quietest.
- **What does it cost to enter the blackout curtain liner niche?**
- Listings span $14.49–$32.83; the average listing price is $20.81 (sweet spot $15–$100). The average incumbent carries 1,192 reviews — the moat a new listing must climb.
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